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Finding the Fourth Proportional to 136,186.40, 204,311.49 and 133,927.11

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Solution

The fourth proportional to 136,186.40, 204,311.49 and 133,927.11 is: 200,922.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,186.40 : 204,311.49 = 133,927.11 : x
  2. Step 2: Convert to fraction form
    136,186.40/204,311.49 = 133,927.11/x
  3. Step 3: Cross multiply
    136,186.40x = 204,311.49 × 133,927.11
  4. Step 4: Simplify right side
    136,186.40x = 27,362,847,395.49
  5. Step 5: Solve for x
    x = 27,362,847,395.49/136,186.40
  6. Step 6: Final answer
    x = 200,922.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.